350VXS390MEFC30X35 Datasheet/PDFAluminum electrolytic capacitors are a type of capacitor that is often used in electronic circuits because they have the best combination of size and capacitance per unit volume. The 350VXS390MEFC30X35 is a standard-sized aluminum electrolytic capacitor with high capacitance and long lifetime. This capacitance makes it a good choice for applications like power supplies, motor control, switchmode and audio circuits that require a stable, high-current source or load.
The 350VXS390MEFC30X35 is a polar capacitor, meaning it has one positive and one negative terminal. When current flows through the capacitor, charging the dielectric material inside, it generates an electric field between the plates that alters the voltage of the circuit. This is known as capacitance and it is the characteristic of the 350VXS390MEFC30X35 that makes it useful in applications that require a stable current source or load.
The basic structure of the 350VXS390MEFC30X35 aluminum electrolytic capacitor consists of two rolled aluminum foil plates etched with an oxide layer and held together with an electrolyte-filled foil impregnated paper separator. The voltage rating of the 350VXS390MEFC30X35 is 350V. This means that it can handle peak voltages up to 350 volts and can sustain applied voltages up to 200 volts. The capacitance of the 350VXS390MEFC30X35 is 390 μF, the “M” designates the fact that this is an electrolytic capacitor with a capacitance that is designed to change over time.
The electrochemical effect of the electric field between the plates of an electrolytic capacitor creates a property known as “capacitive reactance”. This property affects the amount of current that can flow through the capacitor and is measured in ohms. The 350VXS390MEFC30X35 has a capacitive reactance of 30 ohms. This is a relatively low value and it indicates that the 350VXS390MEFC30X35 can handle loads up to 30 amperes.
The application fields of the 350VXS390MEFC30X35 include power supplies, motor control, switchmode and audio circuits. As a power supply capacitor it can provide high capacitive values and long lifetime even under varying voltage conditions. It can also provide stable current output for switchmode power supplies. In motor control applications, it can be used to provide a stable power supply for a motor, providing more efficient operation and increased safety. For audio circuits, the 350VXS390MEFC30X35 will provide a stable current source that can handle the high peak currents associated with digital signal processing and audio amplification.
The working principle of the 350VXS390MEFC30X35 is based on the electrochemical effect generated by an electric field between the two foil plates sandwiched between the electrolyte-filled foil impregnated paper separator. As current passes through the capacitor, the electric field generated between the two plates creates a charge stored in the oxide layers on the plates. This charge is the capacitance that allows the 350VXS390MEFC30X35 to supply a stable current source or load when connected to an electronic circuit.
In summary, the 350VXS390MEFC30X35 is a standard-sized aluminum electrolytic capacitor with high capacitance and long lifetime. It has a voltage rating of 350V and a capacitive reactance of 30 ohms, making it suitable for high-current applications. It is often used in power supplies, motor control, switchmode and audio circuits where it can provide a stable current source or load. Its working principle is based on an electric field generated between the plates, which creates a charge that is stored in the oxide layers on the plates and supplies the capacitance needed for the capacitor to do its job.